Check coupons or create price alert down below. Let’s see what best price is ATM.
Powered by 3x AA battery (not included), green, 5 lighting colors available: cool white, The length of string light: 5m, IP65 waterproof rating allows you to use it even on rainy days, warm white, blue, red
Aliexpress
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Here are coupons that you can use.
Latest coupon code price check (UTC time):
Price history and price alert
Here is price history (for all/most countries) for Utorch 5m 50-LED Decoration String Light Green.
Price records source(s): Gearbest
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).